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Joined: Mar 2001
Posts: 305
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Posts: 305 |
jiako - is there any way you could get a picture of them?
The electrical connector on mine is a rounded-off rectangle with two pins in the middle and two small plastic tabs on one side of the exterior.
'00 CSVT #570 - 3L
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Joined: Dec 2000
Posts: 460
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Posts: 460 |
If the injectors have those two little slots on one side of the outside, then they are the newer Returnless type injectors... Here is a pic...the one on the right is the newer returnless 24lb, and the one on the left is the return style 24lb injector.....  Nik
1999 Mercury Cougar V6
KKM Intake,SVT TB, SVT Upper/Lower, 19lb injectors, Diablo Chip, MSDS Headers, Custom Exhaust, B&M Short Shifter, Progress Lowering Springs, 18" Axis TC's, OMP Strut Bar, AAM 24mm Rear Sway Bar, Koni Struts
15.09 @ 91.54(corrected, pre-SVT conversion, DiabloChip, and Injectors)
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Joined: Aug 2001
Posts: 1,050
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Posts: 1,050 |
Brad,
No OBD scans at WOT. My OBD scanner isn't too sophisticated. It doesn't log any scan data, but I can watch the numbers tick on by.
This stuttering occurs even at part throttle below 3500rpm. The pcm should be able to compensate for less than part throttle settings, but it isn't. This piece of the puzzle is really throwing me off.
It tends to make me think that the engine doesn't know how much air is coming in at all.
I hope that something is different when I plug in the new MAF. I hope it fixes it, but at least if something is different then I can get more information.
warmonger
You can call me anything you like as long as it's nice.(all lies accepted)
99 Silver Frost SVT. #226 of 2760
Engine: 3.0 power!
Unique Stuff: Sunroof control module (#1 of 9)
Car Audio: Loaded and loud!
Check them out at
http://home.earthlink.net/~twilson1726
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Joined: Dec 2000
Posts: 460
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Posts: 460 |
How does the SVT 2.5 achieve higher fuel pressure at the rail than the regular 2.5? are they using a different FPR? if so, can those of us with the regular engine, swap that higher rate FPR onto our fuel rail and possibly notice a little better fuel delivery at higher RPM?
Nikolas
1999 Mercury Cougar V6
KKM Intake,SVT TB, SVT Upper/Lower, 19lb injectors, Diablo Chip, MSDS Headers, Custom Exhaust, B&M Short Shifter, Progress Lowering Springs, 18" Axis TC's, OMP Strut Bar, AAM 24mm Rear Sway Bar, Koni Struts
15.09 @ 91.54(corrected, pre-SVT conversion, DiabloChip, and Injectors)
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Joined: Aug 2001
Posts: 1,050
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Posts: 1,050 |
Yes, the 99 svt FPR that I have runs 45psi idle and 53-55psi WOT.
It would be an easy bolt up mod for a non-svt motor, and it would give good results.
Ford rates their injectors based upon 39 psi flow rate. So your 17# injectors at 39 psi would act like 20# injectors at 55psi.
WOT at 45psi would make the 17# injectors act like 18# injectors.
That would be a heck of an improvement.
warmonger
You can call me anything you like as long as it's nice.(all lies accepted)
99 Silver Frost SVT. #226 of 2760
Engine: 3.0 power!
Unique Stuff: Sunroof control module (#1 of 9)
Car Audio: Loaded and loud!
Check them out at
http://home.earthlink.net/~twilson1726
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Joined: Dec 2000
Posts: 460
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Joined: Dec 2000
Posts: 460 |
Well,
I just called FordPartsOnline.com and they told me the part number for the FPR on a 1999 Contour SVT is the same as the part number for a standard Duratec engine..... Hmmm.......
I also just called my local Ford Dealer and they said the same thing. Maybe it is the Fuel Rail that is different. Doesnt the Fuel rail come with a new FPR attached to it? Maybe I have to buy a new SVT Fuel rail......
Can anyone confirm the SVTs are running a different FPR than a standard Duratec?
Nikolas
1999 Mercury Cougar V6
KKM Intake,SVT TB, SVT Upper/Lower, 19lb injectors, Diablo Chip, MSDS Headers, Custom Exhaust, B&M Short Shifter, Progress Lowering Springs, 18" Axis TC's, OMP Strut Bar, AAM 24mm Rear Sway Bar, Koni Struts
15.09 @ 91.54(corrected, pre-SVT conversion, DiabloChip, and Injectors)
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Joined: Sep 2000
Posts: 5,805
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Posts: 5,805 |
Have a 98.5 SVT V6 with top feed,97 Std 2.5 with side feed, both same pt # on FPR....
V6 MTX
'Don't p**s up my back then tell me it's raining!!!"
'Its only nuts & bolts!'
'If I build it,fix it,upgrade it or modify it...MAYBE they will come....!
Haines Motor Sports Inc,
Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
Get a Turbo for you Zetec from HMS Inc...by 'The Demon' ...www.DemonDynamics.co.uk
..don't talk about it DO IT !!!
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Joined: Jun 2000
Posts: 3,562
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Posts: 3,562 |
Originally posted by Terry Haines:
Have a 98.5 SVT V6 with top feed,97 Std 2.5 with side feed, both same pt # on FPR.... Several of the same here...
Brad Noon '99 SE MTX 3 point oh my God H.O. 179HP/178TQ BNMotorsports Floormats, powder coating, TB optimizing, Gutted cats, etc BNMotorsports is now the preferred distributor of Contour/SVT/Mystique Indiglo style gauges!!!bnmotorsports@msn.com
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Joined: Sep 2000
Posts: 5,805
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Joined: Sep 2000
Posts: 5,805 |
An 'average' 225hp motor needs 1.8 lbs of fuel per min,on stoc 5/16" fuel lines that ok, now up it to needing say 3-4 lbs per min!..I still think your lines are too small....
V6 MTX
'Don't p**s up my back then tell me it's raining!!!"
'Its only nuts & bolts!'
'If I build it,fix it,upgrade it or modify it...MAYBE they will come....!
Haines Motor Sports Inc,
Dealer for 'Quaife America' & 'Autotech Sport Tuning'
SOLE USA Dealer for the American Axle 'AUSSIE BAR'...
Get a Turbo for you Zetec from HMS Inc...by 'The Demon' ...www.DemonDynamics.co.uk
..don't talk about it DO IT !!!
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Joined: Dec 2000
Posts: 460
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Joined: Dec 2000
Posts: 460 |
maybe that can be another HMS part.... upgraded fuel lines for us return guys.....
what do you say Terry?
Nikolas
1999 Mercury Cougar V6
KKM Intake,SVT TB, SVT Upper/Lower, 19lb injectors, Diablo Chip, MSDS Headers, Custom Exhaust, B&M Short Shifter, Progress Lowering Springs, 18" Axis TC's, OMP Strut Bar, AAM 24mm Rear Sway Bar, Koni Struts
15.09 @ 91.54(corrected, pre-SVT conversion, DiabloChip, and Injectors)
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